Ratio - practice for 12 year olds - page 12 of 29
Number of problems found: 561
- Rectangle 12081
On a plan with a scale of 1:8000, the ski slope has 12 cm and 0.5 cm lengths. What is the actual piste area in ares? - Calculate 12061
The area of the two circles is in a 4:9 ratio. The larger circle has a diameter of 18 cm. Calculate the radius of the smaller circle. - Particular 11591
The particular map has a scale of 1:75000 a) The distance between the two places on the map is 42mm. What is the actual distance? b) How long would the distance show, 15.75 km on the map? - Kilowatt-hours
If the Lewis family used 648 kilowatt-hours of electricity in 12 days, how many kilowatt-hours should they use in 24 days at the same usage rate? - Measures 10941
The city plan has a scale of 1:1500. Find the actual length of the bridge, which measures 1.1 cm on this plan. - Received 10751
John, Jožko, and Adam shared candies in a ratio of 2:3:1. John received six candies. How many candies did the boys share? - Plan scale
The actual width of the room is 66 dm, and the width in the plan is 4.4 cm. What scale corresponds to the plan? - Proportion 9931
The area of Asia and Africa is 3:2, and the area of Europe and Africa is 3:7. In what proportion are the sizes of Asia, Africa, and Europe? - Painters
Ten painters will paint the school in 20 days. How many days do four painters paint the school at the same pace of work? - Divide
Divide the number 72 in the ratio of 7:2 and calculate the ratio of the numbers found in this order, and write it down as decimal. - 5000 8761
The garden has an area of 5000 m². What is its image area on a 1:1000 scale on the plan? - Proportion 3
For every eight mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there? - Ratio of volumes
If the heights of two cylindrical drums are in the ratio 7:8 and their base radii are in the ratio 4:3. What is the ratio of their volumes? - The perimeter 3
The perimeter of a rectangle is 35 cm. The length ratio to its width is 3:2. Calculate the rectangle's dimensions. - Kilometers 8343
The route of the tourist trip measures 28 cm on a map with a scale of 1:50000. The average speed of the march is 4km/h. How many kilometers does the trip measure? How many hours do students spend on the road? - Director 8315
The director will give you € 525 for travel. You spend £ 223. How many euros will you return to the director? exchange rate 1 € = 0.85 Ł - Tourist
A tourist walked an average speed of 3.5 km/h route in 6 hours. Calculate how many hours he would have passed at an average speed of 5.5 km/h. - Geometric plan
At what scale is the building plan if one side of the building is 45m long and 12mm long on a plan? - Circumference 8251
Calculate the scale of the cadastral map, on which the square plot has a circumference of 20 cm and, in fact, 576m. - Square 8198
In 2 hours, 100m square, what is an area in 3 hours?
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